public class StringsE4 {

    /**
     * @param args
     */
    public static void main(String[] args) {
        
        // any Unicode character can be written as a literal using the Escape character (backslash \)
        // and it's hexadecimal representation
        //
        // '\udddd'    // where 'dddd' = hex digit (0 - F)

        String literals = "\u0048\u0069\u0021";
        boolean contains = literals.contains("Hi!");
        System.out.println(literals);
    }
}
